Photosythesistransforms solar energy into the chemical energy of a carbohydrateStomatacarbon dioxide in the air anters the many spaces of mesophyll tissue through small openingscholoroplastsorganelles that carry on photosynthesisstromaa double membrane surrounds a fluidthykaloidsthird membrane system within the stroma forms flattened sacsgranain some places are stacked
Bronchitis is inflammation in the bronchial tubes that causes excess mucus, which is why people with bronchitis often cough so much. So, the answer would be B.
